org.eclipse.swt.widgets.Canvas.addDisposeListener()方法的使用及代码示例

x33g5p2x  于2022-01-18 转载在 其他  
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本文整理了Java中org.eclipse.swt.widgets.Canvas.addDisposeListener()方法的一些代码示例，展示了Canvas.addDisposeListener()的具体用法。这些代码示例主要来源于Github/Stackoverflow/Maven等平台，是从一些精选项目中提取出来的代码，具有较强的参考意义，能在一定程度帮忙到你。Canvas.addDisposeListener()方法的具体详情如下：
包路径：org.eclipse.swt.widgets.Canvas
类名称：Canvas
方法名：addDisposeListener

Canvas.addDisposeListener介绍

暂无

代码示例

代码示例来源：origin: org.eclipse.scout.sdk.deps/org.eclipse.jface.text

  1. /**
  2.  * Creates a new composite ruler canvas.
  3.  *
  4.  * @param parent the parent composite
  5.  * @param style the SWT styles
  6.  */
  7. public CompositeRulerCanvas(Composite parent, int style) {
  8.   super(parent, style);
  9.   fMenuDetectListener= new Listener() {
  10.     @Override
  11.     public void handleEvent(Event event) {
  12.        if (event.type == SWT.MenuDetect) {
  13.         Menu menu= getMenu();
  14.         if (menu != null) {
  15.           menu.setLocation(event.x, event.y);
  16.           menu.setVisible(true);
  17.         }
  18.       }
  19.     }
  20.   };
  21.   super.addDisposeListener(new DisposeListener() {
  22.     @Override
  23.     public void widgetDisposed(DisposeEvent e) {
  24.       if (fCachedListeners != null) {
  25.         fCachedListeners.clear();
  26.         fCachedListeners= null;
  27.       }
  28.     }
  29.   });
  30. }

代码示例来源：origin: org.eclipse.platform/org.eclipse.jface.text

  1. @Override
  2. public void addDisposeListener(DisposeListener listener) {
  3.   super.addDisposeListener(listener);
  4.   addListener(DisposeListener.class, listener);
  5. }

代码示例来源：origin: org.eclipse.scout.sdk.deps/org.eclipse.jface.text

  1. @Override
  2. public void addDisposeListener(DisposeListener listener) {
  3.   super.addDisposeListener(listener);
  4.   addListener(DisposeListener.class, listener);
  5. }

代码示例来源：origin: org.eclipse.platform/org.eclipse.jface.text

  1. /**
  2.  * Creates a new composite ruler canvas.
  3.  *
  4.  * @param parent the parent composite
  5.  * @param style the SWT styles
  6.  */
  7. public CompositeRulerCanvas(Composite parent, int style) {
  8.   super(parent, style);
  9.   fMenuDetectListener= event -> {
  10.     if (event.type == SWT.MenuDetect) {
  11.       Menu menu= getMenu();
  12.       if (menu != null) {
  13.         menu.setLocation(event.x, event.y);
  14.         menu.setVisible(true);
  15.       }
  16.     }
  17.   };
  18.   super.addDisposeListener(e -> {
  19.     if (fCachedListeners != null) {
  20.       fCachedListeners.clear();
  21.       fCachedListeners= null;
  22.     }
  23.   });
  24. }

代码示例来源：origin: BiglySoftware/BiglyBT

  1. imageLoader.releaseImage(sConfigID);
  2. image = imageLoader.getImage(sConfigID + ".image");
  3. drawable.addDisposeListener(new DisposeListener() {
  4.   @Override
  5.   public void widgetDisposed(DisposeEvent e) {
  6. drawable.addDisposeListener(new DisposeListener() {
  7.   @Override
  8.   public void widgetDisposed(DisposeEvent e) {

代码示例来源：origin: org.eclipse.scout.sdk.deps/org.eclipse.jface.text

  1. fCanvas.addDisposeListener(new DisposeListener() {
  2.   @Override
  3.   public void widgetDisposed(DisposeEvent e) {

代码示例来源：origin: org.eclipse.platform/org.eclipse.jface.text

  1. });
  2. fCanvas.addDisposeListener(e -> {
  3.   handleDispose();
  4.   fTextViewer= null;

代码示例来源：origin: org.eclipse.jdt/org.eclipse.jdt.ui

  1. protected void adjustItemNumber() {
  2.   if (fComposite == null)
  3.     return;
  4.   Control[] children= fComposite.getChildren();
  5.   int oldSize= children.length;
  6.   int newSize= fInput == null ? 0 : fInput.fAnnotations.length;
  7.   Display display= fShell.getDisplay();
  8.   // add missing items
  9.   for (int i= oldSize; i < newSize; i++) {
  10.     Canvas canvas= new Canvas(fComposite, SWT.NONE);
  11.     Object gridData= fLayouter.getLayoutData();
  12.     canvas.setLayoutData(gridData);
  13.     canvas.setBackground(display.getSystemColor(SWT.COLOR_INFO_BACKGROUND));
  14.     canvas.addPaintListener(fPaintListener);
  15.     canvas.addMouseTrackListener(fMouseTrackListener);
  16.     canvas.addMouseListener(fMouseListener);
  17.     canvas.addListener(SWT.MenuDetect, fMenuDetectListener);
  18.     canvas.addDisposeListener(fDisposeListener);
  19.   }
  20.   // dispose of exceeding resources
  21.   for (int i= oldSize; i > newSize; i--) {
  22.     Item item= (Item) children[i - 1].getData();
  23.     item.deselect();
  24.     children[i - 1].dispose();
  25.   }
  26. }

代码示例来源：origin: org.eclipse/org.eclipse.jdt.ui

  1. protected void adjustItemNumber() {
  2.   if (fComposite == null)
  3.     return;
  4.   Control[] children= fComposite.getChildren();
  5.   int oldSize= children.length;
  6.   int newSize= fInput == null ? 0 : fInput.fAnnotations.length;
  7.   Display display= fShell.getDisplay();
  8.   // add missing items
  9.   for (int i= oldSize; i < newSize; i++) {
  10.     Canvas canvas= new Canvas(fComposite, SWT.NONE);
  11.     Object gridData= fLayouter.getLayoutData();
  12.     canvas.setLayoutData(gridData);
  13.     canvas.setBackground(display.getSystemColor(SWT.COLOR_INFO_BACKGROUND));
  14.     canvas.addPaintListener(fPaintListener);
  15.     canvas.addMouseTrackListener(fMouseTrackListener);
  16.     canvas.addMouseListener(fMouseListener);
  17.     canvas.addListener(SWT.MenuDetect, fMenuDetectListener);
  18.     canvas.addDisposeListener(fDisposeListener);
  19.   }
  20.   // dispose of exceeding resources
  21.   for (int i= oldSize; i > newSize; i--) {
  22.     Item item= (Item) children[i - 1].getData();
  23.     item.deselect();
  24.     children[i - 1].dispose();
  25.   }
  26. }

代码示例来源：origin: org.eclipse.scout.sdk.deps/org.eclipse.jdt.ui

  1. protected void adjustItemNumber() {
  2.   if (fComposite == null)
  3.     return;
  4.   Control[] children= fComposite.getChildren();
  5.   int oldSize= children.length;
  6.   int newSize= fInput == null ? 0 : fInput.fAnnotations.length;
  7.   Display display= fShell.getDisplay();
  8.   // add missing items
  9.   for (int i= oldSize; i < newSize; i++) {
  10.     Canvas canvas= new Canvas(fComposite, SWT.NONE);
  11.     Object gridData= fLayouter.getLayoutData();
  12.     canvas.setLayoutData(gridData);
  13.     canvas.setBackground(display.getSystemColor(SWT.COLOR_INFO_BACKGROUND));
  14.     canvas.addPaintListener(fPaintListener);
  15.     canvas.addMouseTrackListener(fMouseTrackListener);
  16.     canvas.addMouseListener(fMouseListener);
  17.     canvas.addListener(SWT.MenuDetect, fMenuDetectListener);
  18.     canvas.addDisposeListener(fDisposeListener);
  19.   }
  20.   // dispose of exceeding resources
  21.   for (int i= oldSize; i > newSize; i--) {
  22.     Item item= (Item) children[i - 1].getData();
  23.     item.deselect();
  24.     children[i - 1].dispose();
  25.   }
  26. }

代码示例来源：origin: BiglySoftware/BiglyBT

  1. canvas.addDisposeListener(new DisposeListener() {
  2.   @Override
  3.   public void widgetDisposed(DisposeEvent e) {

代码示例来源：origin: org.eclipse.scout.sdk.deps/org.eclipse.jface.text

  1. fCanvas.addDisposeListener(new DisposeListener() {
  2.   @Override
  3.   public void widgetDisposed(DisposeEvent e) {

代码示例来源：origin: org.eclipse.platform/org.eclipse.jface.text

  1. @Override
  2. public Control createControl(CompositeRuler parentRuler, Composite parentControl) {
  3.   fParentRuler= parentRuler;
  4.   fCachedTextViewer= parentRuler.getTextViewer();
  5.   fCachedTextWidget= fCachedTextViewer.getTextWidget();
  6.   fCanvas= new Canvas(parentControl, SWT.NONE);
  7.   fCanvas.setBackground(getBackground());
  8.   fCanvas.addPaintListener(event -> {
  9.     if (fCachedTextViewer != null)
  10.       doubleBufferPaint(event.gc);
  11.   });
  12.   fCanvas.addDisposeListener(e -> {
  13.     handleDispose();
  14.     fCachedTextViewer= null;
  15.     fCachedTextWidget= null;
  16.   });
  17.   fCanvas.addMouseListener(fMouseHandler);
  18.   fCanvas.addMouseMoveListener(fMouseHandler);
  19.   if (fCachedTextViewer != null) {
  20.     fCachedTextViewer.addViewportListener(fInternalListener);
  21.     fCachedTextViewer.addTextListener(fInternalListener);
  22.   }
  23.   fRevisionPainter.setParentRuler(parentRuler);
  24.   fDiffPainter.setParentRuler(parentRuler);
  25.   return fCanvas;
  26. }

代码示例来源：origin: org.eclipse.platform/org.eclipse.swt.examples

  1. imageCanvas.addDisposeListener(e -> imageCanvasGC.dispose());

代码示例来源：origin: org.eclipse.scout.sdk.deps/org.eclipse.jface.text

  1. fCanvas.addDisposeListener(new DisposeListener() {
  2.   @Override
  3.   public void widgetDisposed(DisposeEvent event) {

代码示例来源：origin: org.eclipse.scout.sdk.deps/org.eclipse.jface.text

  1. fCanvas.addDisposeListener(new DisposeListener() {
  2.   @Override
  3.   public void widgetDisposed(DisposeEvent e) {

代码示例来源：origin: org.eclipse.platform/org.eclipse.jface.text

  1. });
  2. fCanvas.addDisposeListener(event -> {
  3.   handleDispose();
  4.   fTextViewer= null;

代码示例来源：origin: org.eclipse.platform/org.eclipse.jface.text

  1. });
  2. fCanvas.addDisposeListener(e -> {
  3.   handleDispose();
  4.   fCachedTextViewer= null;

代码示例来源：origin: org.eclipse.scout.sdk.deps/org.eclipse.jface.text

  1. fCanvas.addDisposeListener(new DisposeListener() {
  2.   @Override
  3.   public void widgetDisposed(DisposeEvent e) {

代码示例来源：origin: org.eclipse.platform/org.eclipse.jface.text

  1. });
  2. fCanvas.addDisposeListener(e -> {
  3.   handleDispose();
  4.   fCachedTextViewer= null;

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